But that seems to belong to the category "text transformation" (e.g. translating, converting unstructed notes into structured data, etc.), which I acknowledge LLMs are good at; instead of category "I'll magically debug your SQL wish!".
What you're describing is more about reasoning abilities - that's not really what the article was about or the problems the techniques are for. The techniques in article are more for stuff like Q&A, classification, summarization, etc.